I. Introduction: General Issues in Developmental Disorders.- 1 State of the World's Children: Developmental-Behavioral Disorders in a Global Context.- 1. Introduction.- 2. Children in History.- 3. Children Today.- 4. Recent Nutrition Data.- 5. Children Tomorrow.- 6. Conclusions.- References.- 2 PL 99-457: A New Challenge and Responsibility for Physicians.- 1. Introduction.- 2. Physician Involvement.- 2.1. Identification.- 2.2. Medical Evaluation.-...